HKS M-Series Super Fire Racing Spark Plug Heat Range 8 Hood Scoops Low NVH impact design –

Low NVH impact design – performance improvement without excessive harshness for street-driven applications

For maximum durability at weld points

Unlike traditional exposed cone filter setups that rely on basic heat shields

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inspect them for splits or soft spots before reconnecting

HKS M-Series Super Fire Racing Spark Plug Heat Range 8 Hood Scoops Low NVH impact design –Specifications 0. 6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability. Outer Electrode with Platinum ChipThe Outer Electrode incorporates a square platinum chip which improves urability, and when combined with the iridium center electrode boosts ignition performance. The Outer Electrode features a shortened tip design and tapered shape while maintaining